CN217902279U - Swing testing machine control circuit and swing testing machine - Google Patents
Swing testing machine control circuit and swing testing machine Download PDFInfo
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- CN217902279U CN217902279U CN202221363232.XU CN202221363232U CN217902279U CN 217902279 U CN217902279 U CN 217902279U CN 202221363232 U CN202221363232 U CN 202221363232U CN 217902279 U CN217902279 U CN 217902279U
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Abstract
The application discloses test machine control circuit and test machine sways. The swing tester control circuit includes: the device comprises a load connection module, a voltage control module, a current control module and a controller, wherein the load connection module is used for connecting a wire to be tested; the voltage control module is connected with the load connection module and is used for receiving an external power supply and converting the external power supply into a test voltage; the current control module is connected with the load connection module and is used for receiving an external power supply and converting the external power supply into a test current; the controller is respectively connected with the voltage control module and the current control module and is used for controlling the test voltage and the test current. Through setting up voltage control module and current control module, when carrying out bending test, can exert test voltage and test current on the wire rod that awaits measuring to carry out the on-load test to the wire rod that awaits measuring.
Description
Technical Field
The application relates to the technical field of electrical control, especially, relate to a test machine control circuit and test machine sways.
Background
A swing tester, also called a wire bending tester, is used for performing a bending test on a wire such as an electric wire or a cable to detect the folding resistance of the wire. The swing tester in the related art has a relatively single function, and only has a simple bending function, and cannot detect the load.
SUMMERY OF THE UTILITY MODEL
The present application is directed to solving at least one of the problems in the prior art. For this reason, this application provides a sway testing machine control circuit, can satisfy multiple test demand to waiting to detect the bending test that the wire rod carried.
The application still provides a swing testing machine with above-mentioned swing testing machine control circuit.
The swing tester control circuit according to an embodiment of the first aspect of the present application includes: the device comprises a load connection module, a voltage control module, a current control module and a controller, wherein the load connection module is used for connecting a wire to be tested; the voltage control module is connected with the load connection module and is used for receiving an external power supply and converting the external power supply into a test voltage; the current control module is connected with the load connection module and is used for receiving an external power supply and converting the external power supply into a test current; the controller is respectively connected with the voltage control module and the current control module and is used for controlling the test voltage and the test current.
According to some embodiments of the application, the voltage control module comprises: three-phase voltage regulator and voltage transmitter, the controller is connected respectively the three-phase voltage regulator with voltage transmitter, the input of three-phase voltage regulator is used for receiving external power source, the output of three-phase voltage regulator is used for exporting test voltage, voltage transmitter is used for detecting test voltage's voltage size, the controller is used for the basis voltage size control the three-phase voltage regulator.
According to some embodiments of the application, the voltage control module further comprises: and the air circuit breaker is used for receiving one end of the external power supply, and the other end of the air circuit breaker is connected with the input end of the three-phase voltage regulator.
According to some embodiments of the application, the voltage control module further comprises: and the other end of the alternating current contactor is connected with the input end of the three-phase voltage regulator.
According to some embodiments of the application, the voltage control module further comprises: the one end of first relay is connected the output of three-phase voltage regulator, the other end of first relay is connected load connection module.
According to some embodiments of the present application, the current control module comprises: the controller is respectively connected with the current regulator and the current transformer, the input end of the current regulator is used for receiving the external power supply, the output end of the current regulator is used for outputting the test current, the current transformer is used for detecting the current magnitude of the test current, and the controller is used for controlling the current regulator according to the current magnitude.
According to some embodiments of the present application, the current control module further comprises: and one end of the second relay is used for receiving the external power supply, and the other end of the second relay is connected with the input end of the current regulator.
According to some embodiments of the application, further comprising: and the display module is connected with the controller and is used for displaying the test voltage and the test current.
According to some embodiments of the present application, the controller is connected to the voltage control module and the current control module through an RS-485 communication network, respectively.
According to a second aspect embodiment of the present application, the swing tester includes a swing tester control circuit as described in the first aspect embodiment above.
According to the swing testing machine control circuit and the swing testing machine provided by the embodiment of the application, the following beneficial effects are at least achieved: through setting up voltage control module and current control module, when carrying out bending test, can exert test voltage and test current on the wire rod that awaits measuring to carry out the on-load test to the wire rod that awaits measuring. And through setting up the controller, can real-time control test voltage and test current's size, can satisfy user's multiple test demand.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The present application is further described with reference to the following figures and examples, in which:
FIG. 1 is a block diagram of a swing tester control circuit according to an embodiment of the present application;
FIG. 2 is a circuit diagram of a voltage control module according to an embodiment of the present disclosure;
FIG. 3 is a circuit diagram of a current control module according to an embodiment of the present application;
fig. 4 is a block diagram of a swing tester control circuit according to another embodiment of the present application.
Reference numerals are as follows:
a load connection module 100, a voltage control module 200, a current control module 300, and a controller 400;
a display module 500, a three-phase voltage regulator 210, a voltage transmitter 220, an air circuit breaker 230;
an ac contactor 240, a first relay 250, a current regulator 310, a current transformer 320;
a second relay 330.
Detailed Description
Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.
In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present number, and the above, below, within, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
Some embodiments, referring to fig. 1, the present application provides a swing tester control circuit, comprising: load link module 100, voltage control module 200, current control module 300, controller 400, load link module 100 is used for connecting the wire rod that awaits measuring, voltage control module 200 connects load link module 100, voltage control module 200 is used for receiving external power supply and converts external power supply into test voltage, current control module 300 connects load link module 100, current control module 300 is used for receiving external power supply and converts external power supply into test current, controller 400 connects voltage control module 200 and current control module 300 respectively, controller 400 is used for controlling test voltage and test current's size.
Some embodiments, referring to fig. 2, the voltage control module 200 includes: the controller 400 is respectively connected with the three-phase voltage regulator 210 and the voltage transducer 220, the input end of the three-phase voltage regulator 210 is used for receiving an external power supply, the output end of the three-phase voltage regulator 210 is used for outputting a test voltage, the voltage transducer 220 is used for detecting the voltage of the test voltage, and the controller 400 is used for controlling the three-phase voltage regulator 210 according to the voltage. The external power supply of the embodiment of the application is three-phase alternating current, and the line voltage of the external power supply is 380V. The three-phase voltage regulator 210 is an adjustable autotransformer, and the output voltage can be adjusted by setting a corresponding trigger control circuit board. The voltage transmitter 220 is configured to detect a magnitude of the test voltage output by the three-phase voltage regulator 210, and send the acquired voltage signal to the controller 400, and the controller 400 can correspondingly control the three-phase voltage regulator 210 according to the received voltage signal, so as to control the magnitude of the test voltage, and keep the test voltage stable. The three-phase voltage regulator 210 in fig. 2 outputs five test voltages, the voltage transmitter 220 also correspondingly detects the five test voltages and sends the detection result to the controller 400, and the controller 400 performs voltage control according to the detection result, that is, the magnitude of the test voltage output by each path can be respectively controlled.
In some embodiments, the voltage control module 200 further comprises: and one end of the air circuit breaker 230 is used for receiving an external power supply, and the other end of the air circuit breaker 230 is connected with an input end of the three-phase voltage regulator 210. In the embodiment of the present application, the air circuit breakers 230, i.e., QFs in the drawing, are respectively disposed at the live lines L1, L2, L3 and the neutral line N, and when the current in the circuit exceeds the rated current, the circuit is automatically disconnected, thereby completing the overload protection of the circuit.
In some embodiments, the voltage control module 200 further comprises: and an ac contactor 240, one end of the ac contactor 240 is connected to the air circuit breaker 230, and the other end of the ac contactor 240 is connected to the input end of the three-phase voltage regulator 210. The ac contactor 240 according to the embodiment of the present application is disposed on the live wire, and is configured to control whether the live wire is connected to the three-phase voltage regulator 210. KM1-1, KM1-2 and KM1-3 in FIG. 2 are three contacts of the AC contactor 240, and the on/off of the contacts is controlled by corresponding coils.
In some embodiments, the voltage control module 200 further comprises: and one end of the first relay 250 is connected to the output end of the three-phase voltage regulator 210, and the other end of the first relay 250 is connected to the load connection module 100. The first relay 250 is used to control whether the voltage control module 200 outputs a corresponding test voltage. KA1-1, KA2-1, KA3-1, KA4-1 and KA5-1 in FIG. 2 are contacts of five relays respectively, and are used for controlling whether the five-way test voltage is output or not.
Some embodiments, referring to fig. 3, a current control module 300 includes: the testing device comprises a current regulator 310 and a current transformer 320, wherein the controller 400 is respectively connected with the current regulator 310 and the current transformer 320, the input end of the current regulator 310 is used for receiving an external power supply, the output end of the current regulator 310 is used for outputting a testing current, the current transformer 320 is used for detecting the current magnitude of the testing current, and the controller 400 is used for controlling the current regulator 310 according to the current magnitude. The current regulator 310 in the embodiment of the present application inputs single-phase current, and the magnitude of the output test current can be controlled by an internal control program. The current transformer 320 converts the test current according to the electromagnetic induction principle through the arranged mutual inductor to obtain a current signal representing the magnitude of the current, and sends the current signal to the controller 400, and the controller 400 controls the current regulator 310 according to the detected current signal, so as to control the output test current. In some other embodiments, a current transducer may also be employed to detect the magnitude of the test current.
In some embodiments, the current control module 300 further comprises: and a second relay 330, one end of the second relay 330 being used for receiving an external power source, and the other end of the second relay 330 being connected to the input end of the current regulator 310. The second relay 330 of the embodiment of the present application is used to control whether the current regulator 310 outputs the corresponding test current. KA1-2, KA2-2, KA3-2, KA4-2 and KA5-2 in the diagram of FIG. 2 are contacts of five relays respectively, and are used for controlling whether the five-way test current is output or not. It is understood that in the embodiment of the present application, the test voltage and the test current are output at the same time, and therefore, the switch states of the first relay 250 and the second relay 330 are correspondingly the same. KA1-1 and KA1-2 are two contacts of one relay, and the on-off states of the two contacts are the same.
In some embodiments, referring to fig. 4, the swing tester control circuit further comprises: the display module 500, the display module 500 is connected to the controller 400, and the display module 500 is used for displaying the magnitude of the test voltage and the test current. In a specific example, the controller 400 converts the voltage signal and the current signal detected by the voltage transmitter 220 and the current transformer 320 into corresponding numbers, and sends the numbers to the display screen of the display module 500 for displaying. The display screen may be an HMI touch screen through which a user may send control signals to control the magnitude of the test voltage and test current.
In some embodiments, the controller 400 is connected to the voltage control module 200 and the current control module 300 through an RS-485 communication network, respectively.
In some embodiments, the present application further provides a swing tester, including the swing tester control circuit in the above embodiments. It will be appreciated that the rocking test machine also includes a wire clamping assembly for clamping the wire and which itself is rotatable for bending the wire. Through setting up voltage control module 200 and current control module 300 among the control circuit, when carrying out bending test, can exert test voltage and test current on the wire rod that awaits measuring to carry out the on-load test to the wire rod that awaits measuring. And through setting up controller 400, can real-time control test voltage and test the size of electric current, can satisfy user's multiple test demand.
In the description of the present application, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present application. Furthermore, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
Claims (10)
1. Swing testing machine control circuit, its characterized in that includes:
the load connecting module is used for connecting a wire to be tested;
the voltage control module is connected with the load connection module and is used for receiving an external power supply and converting the external power supply into a test voltage;
the current control module is connected with the load connection module and is used for receiving an external power supply and converting the external power supply into a test current;
the controller is respectively connected with the voltage control module and the current control module and is used for controlling the test voltage and the test current.
2. The swing tester control circuit of claim 1, wherein the voltage control module comprises: three-phase voltage regulator and voltage transmitter, the controller is connected respectively the three-phase voltage regulator with voltage transmitter, the input of three-phase voltage regulator is used for receiving external power source, the output of three-phase voltage regulator is used for exporting test voltage, voltage transmitter is used for detecting test voltage's voltage size, the controller is used for the basis voltage size control the three-phase voltage regulator.
3. The swing tester control circuit of claim 2, wherein the voltage control module further comprises: and the air circuit breaker is used for receiving one end of the external power supply, and the other end of the air circuit breaker is connected with the input end of the three-phase voltage regulator.
4. The swing tester control circuit of claim 3, wherein the voltage control module further comprises: and the other end of the alternating current contactor is connected with the input end of the three-phase voltage regulator.
5. The swing tester control circuit of claim 2, wherein the voltage control module further comprises: the one end of first relay is connected the output of three-phase voltage regulator, the other end of first relay is connected load connection module.
6. The swing tester control circuit of claim 1, wherein the current control module comprises: the controller is respectively connected with the current regulator and the current transformer, the input end of the current regulator is used for receiving the external power supply, the output end of the current regulator is used for outputting the test current, the current transformer is used for detecting the current magnitude of the test current, and the controller is used for controlling the current regulator according to the current magnitude.
7. The sway tester control circuit of claim 6, wherein the current control module further comprises: and one end of the second relay is used for receiving the external power supply, and the other end of the second relay is connected with the input end of the current regulator.
8. The swing tester control circuit according to any one of claims 1 to 7, further comprising: and the display module is connected with the controller and is used for displaying the test voltage and the test current.
9. The swing tester control circuit according to claim 8, wherein the controller is connected to the voltage control module and the current control module through an RS-485 communication network.
10. A swing tester, characterized in that it comprises a swing tester control circuit according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221363232.XU CN217902279U (en) | 2022-06-01 | 2022-06-01 | Swing testing machine control circuit and swing testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221363232.XU CN217902279U (en) | 2022-06-01 | 2022-06-01 | Swing testing machine control circuit and swing testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217902279U true CN217902279U (en) | 2022-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221363232.XU Active CN217902279U (en) | 2022-06-01 | 2022-06-01 | Swing testing machine control circuit and swing testing machine |
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| CN (1) | CN217902279U (en) |
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- 2022-06-01 CN CN202221363232.XU patent/CN217902279U/en active Active
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